<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="utf-8">
	<title>要打包sass</title>
</head>
<body>
<p>sass演示</p>

<input type="text" name="" id="v1">
+
<input type="text" name="" id="v2">  
<input type="button" name="" id="bt" value="=">
<input type="text" name="" id="res">


<script type="text/javascript" src="build.js"></script>
</body>
</html>